---
product_id: 527540827
title: "Flange Inserts 21mm 6PC,Compatible with Momcozy S12 Pro/S9 Pro/S12/S9 Wearable Breastpump Cup,Suitable for Medela/Spectra/Elvie/Willow/TSRETE 24mm Shields/Flanges,Reduce 24mm Tunnel Down to 21mm,6pcs"
brand: "jimowang"
price: "84 zł"
currency: PLN
in_stock: true
reviews_count: 13
category: "Jimowang"
url: https://www.desertcart.pl/products/527540827-flange-inserts-21mm-6pc-compatible-with-momcozy-s12-pro-s9
store_origin: PL
region: Poland
---

# Precision 21mm fit for 24mm flanges BPA-free soft silicone material Easy to clean with warm soapy water Flange Inserts 21mm 6PC,Compatible with Momcozy S12 Pro/S9 Pro/S12/S9 Wearable Breastpump Cup,Suitable for Medela/Spectra/Elvie/Willow/TSRETE 24mm Shields/Flanges,Reduce 24mm Tunnel Down to 21mm,6pcs

**Brand:** jimowang
**Price:** 84 zł
**Availability:** ✅ In Stock

## Summary

> ✨ Pump in Comfort, Fit with Confidence! ✨

## Quick Answers

- **What is this?** Flange Inserts 21mm 6PC,Compatible with Momcozy S12 Pro/S9 Pro/S12/S9 Wearable Breastpump Cup,Suitable for Medela/Spectra/Elvie/Willow/TSRETE 24mm Shields/Flanges,Reduce 24mm Tunnel Down to 21mm,6pcs by jimowang
- **How much does it cost?** 84 zł with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.pl](https://www.desertcart.pl/products/527540827-flange-inserts-21mm-6pc-compatible-with-momcozy-s12-pro-s9)

## Best For

- jimowang enthusiasts

## Why This Product

- Trusted jimowang brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Hygienic & Safe:** BPA-free material ensures safe, worry-free use every time.
- • **Comfort-First Design:** Soft, transparent silicone reduces nipple swelling and enhances pumping comfort.
- • **Convenient Multi-Pack:** 6 inserts per pack means you’re always ready with replacements for optimal hygiene.
- • **Perfect Size Reduction:** Transforms 24mm flange tunnels down to a precise 21mm for a custom fit.
- • **Seamless Compatibility:** Works flawlessly with Momcozy S12/S9 Pro and top brands like Medela, Spectra, Elvie & Willow.

## Overview

The Flange Inserts 21mm (6PC) are premium silicone accessories designed to reduce 24mm breast pump flanges to 21mm, compatible with Momcozy S12/S9 Pro and major brands like Medela and Spectra. BPA-free and easy to clean, these inserts enhance comfort, prevent nipple swelling, and come in a convenient 6-pack for regular replacement and hygiene.

## Description

desertcart.com: Flange Inserts 21mm 6PC,Compatible with Momcozy S12 Pro/S9 Pro/S12/S9 Wearable Breastpump Cup,Suitable for Medela/Spectra/Elvie/Willow/TSRETE 24mm Shields/Flanges,Reduce 24mm Tunnel Down to 21mm,6pcs : Industrial & Scientific

Review: Comfortable and Perfect Fit - These flange inserts fit my Momcozy S12 Pro perfectly and made pumping way more comfortable. The material feels soft and sturdy, and they’re easy to clean. Having multiple sizes in one pack is super convenient, and they’ve helped improve my overall experience. Highly recommend!
Review: Fits into the Tseret mobile pump - Bought these to use with the Tseret Mobile pump and they fit perfectly. Just insert into the big oval shaped shield.

## Features

- Compatibility: The Flange Inserts 21mm are breast pump accessories that can be used with most 24mm Shields/Flanges.Compatible with any S9 Pro/S12 Pro/S9/S12 wearable breast pump. (For example, compatible with Momcozy S12 Pro/S9 Pro/S12/S9 Hands-Free breast pump). Use with 24mm breast Shields for TSRETE/Medela/Spectra/Elvie/Willow/Bellaaby/Motif Luna/Ameda MYA/Ainsir/Phanpy/Lulia/NaNaLazy/Luxlady/kidzio/eulumap/Teexin/Fisroa/KISSBOBO/Goldeep/BIOBOO/Mumeasy/Nanawawa/TOVVILD/CPPSLEE and others.
- Attention: These breast pump accessories are only suitable for 24mm Shields/Flanges and cannot be used with other sizes of Shields/Flanges. Using coconut oil or nipple butter can reduce friction and make them easier to use.
- Easy Cleaning: After each use, wash the replacement pump parts with warm soapy water and rinse them thoroughly.
- Safety: Made of transparent silicone material,our product is BPA-free,you can use it with confidence.Granatiland
- Replacement: The size of your flange insert is crucial for both comfort and efficient pumping. Some moms may experience nipple swelling while pumping, so it's important to monitor the appearance of the nipple during pumping. It is recommended to replace the flange insert every 1 to 2 months. Please ensure you choose the correct size.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN  | B0C1CGPRYR |
| Customer Reviews | 4.6 4.6 out of 5 stars (415) |
| Date First Available  | April 22, 2023 |
| Item model number  | Flange insert 13mm-6PC |
| Manufacturer  | JIMOWANG |
| Product Dimensions  | 1.97 x 1.97 x 1.57 inches; 1.44 ounces |

## Product Details

- **Brand:** JIMOWANG
- **Included Components:** Breast Flange
- **Material:** Silicone
- **Material Type Free:** BPA Free
- **Special Feature:** Hands-free,Wearable, Hypoallergenic

## Images

![Flange Inserts 21mm 6PC,Compatible with Momcozy S12 Pro/S9 Pro/S12/S9 Wearable Breastpump Cup,Suitable for Medela/Spectra/Elvie/Willow/TSRETE 24mm Shields/Flanges,Reduce 24mm Tunnel Down to 21mm,6pcs - Image 1](https://m.media-amazon.com/images/I/51KYF2PHOJL.jpg)
![Flange Inserts 21mm 6PC,Compatible with Momcozy S12 Pro/S9 Pro/S12/S9 Wearable Breastpump Cup,Suitable for Medela/Spectra/Elvie/Willow/TSRETE 24mm Shields/Flanges,Reduce 24mm Tunnel Down to 21mm,6pcs - Image 2](https://m.media-amazon.com/images/I/61YHvJxRT8L.jpg)
![Flange Inserts 21mm 6PC,Compatible with Momcozy S12 Pro/S9 Pro/S12/S9 Wearable Breastpump Cup,Suitable for Medela/Spectra/Elvie/Willow/TSRETE 24mm Shields/Flanges,Reduce 24mm Tunnel Down to 21mm,6pcs - Image 3](https://m.media-amazon.com/images/I/71IRTmMJPSL.jpg)
![Flange Inserts 21mm 6PC,Compatible with Momcozy S12 Pro/S9 Pro/S12/S9 Wearable Breastpump Cup,Suitable for Medela/Spectra/Elvie/Willow/TSRETE 24mm Shields/Flanges,Reduce 24mm Tunnel Down to 21mm,6pcs - Image 4](https://m.media-amazon.com/images/I/71iyIMg3wtL.jpg)
![Flange Inserts 21mm 6PC,Compatible with Momcozy S12 Pro/S9 Pro/S12/S9 Wearable Breastpump Cup,Suitable for Medela/Spectra/Elvie/Willow/TSRETE 24mm Shields/Flanges,Reduce 24mm Tunnel Down to 21mm,6pcs - Image 5](https://m.media-amazon.com/images/I/61wxow36gnL.jpg)

## Available Options

This product comes in different **Size** options.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Comfortable and Perfect Fit
*by E***S on October 7, 2025*

These flange inserts fit my Momcozy S12 Pro perfectly and made pumping way more comfortable. The material feels soft and sturdy, and they’re easy to clean. Having multiple sizes in one pack is super convenient, and they’ve helped improve my overall experience. Highly recommend!

### ⭐⭐⭐⭐⭐ Fits into the Tseret mobile pump
*by C***Z on July 28, 2025*

Bought these to use with the Tseret Mobile pump and they fit perfectly. Just insert into the big oval shaped shield.

### ⭐⭐⭐⭐⭐ Helpful
*by A***T on February 10, 2025*

I’m really pleased with this product! It arrived promptly and was in excellent condition. It’s just as described, and the quality is outstanding. It works perfectly and has made a real difference. I’m thrilled with my purchase and feel it’s worth every penny. I’d highly recommend this to anyone looking for something dependable and high-quality. I’ll definitely buy again!

## Frequently Bought Together

- Flange Inserts 21mm 6PC,Compatible with Momcozy S12 Pro/S9 Pro/S12/S9 Wearable Breastpump Cup,Suitable for Medela/Spectra/Elvie/Willow/TSRETE 24mm Shields/Flanges,Reduce 24mm Tunnel Down to 21mm,6pcs
- Momcozy Hands Free Pumping Bra, Adjustable Breast-Pumps Holding and Nursing Bra, Pumping & Nursing Bra in One
- Nenesupply 21mm 2 pc Flanges Compatible with Spectra S2 S1 9 Plus Synergy Gold Breastpump Replacement to Spectra Pump Parts Flange Accessories Wide Mouth Work with Valve Backflow Protector Bottle

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*Product available on Desertcart Poland*
*Store origin: PL*
*Last updated: 2026-03-18*